Rare 'sea butterflies' invade southern coastline

Over the last few weeks, many Florida beachgoers have been wondering about the tiny needle like shells that have washed ashore. A look under a microscope reveals their rare beauty.

http://www.wbir.com/video/2638742537001/1/Rare-sea-butterflies-invade-southern-coastlinehttp://bc_gvpc.edgesuite.net/img/963482463001/201308/1669/963482463001_2638729796001_thumbnail-for-video-2638733387001.jpg?pubId=963482463001Rare 'sea butterflies' invade southern coastlineOver the last few weeks, many Florida beachgoers have been wondering about the tiny needle like shells that have washed ashore. A look under a microscope reveals their rare beauty.marine biologycresis aciculabutterflyJacksonville BeachWTLVsea butterfliesvpcNational NewsFloridaFCNwater cooleroffbeat01:41